Item # qgtbum20mtu14zz-gt-bmx-bikes

GT Bump BMX Bike

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Description: GT Bump BMX Bike

Everyone is headed out for a session so grab the GT Bump BMX bike and join them! This bike is built to last and offers many awesome features that few bikes in this price range can. The frame is built to last and has a nice long 21" chromoly top tube. The drivetrain is bullet proof built on GT Tubular Chromoly 3-piece crankset, a compact 25/ 9 gear ratio and GT low profile pedals. The wheelset features double wall 36H rims and a fully sealed rear cassette hub. You need to hurry and order one today!

Key Features of the GT Bump BMX Bike 20in:
  • GT Dirt Design Frame with Cr-Mo Main Tubes (H/T, T/T, D/T) and CrMo Steerer Fork and Fully removable Brake hardware
  • GT Tubular Cr-Mo 3Pc Crmo cranks with Sealed Mid BB
  • 25x9 gearing with a Fully sealed bearing cassette
  • DOUBLE WALL Rims
  • Taller Handlebar Size
  • GT Top Load inverted design stem
  • Sizes: 20" Wheel, 21" Top Tube
  • Colors: BLU, BBQ
  • Frame: GT Dirt Design S/S, Cr-Mo Main Tubes (H/T, T/T, D/T), Downtube Gusset, MID BB, Seat Stay Mounted U-Brake, Removable Rotor Guides, Integrated 1-1/8" Headtube
  • Fork: GT Dirt/ Street Design, Hi-Ten 31.8-28.6mm Tapered O.D. Blades, Cr-Mo Steerer, 320mm A/C, 3/8" Axle
  • Chain: KMC Z410
  • Crankset Chainwheel: 9T Cassette
  • Crank: GT Tubular Cr-Mo 3Pc., 175mm Arms, Cold Forged Cr-Mo 19mm x 8T Spline Spindle, 5mm 25T GT AL Chain Wheel
  • Bottom Bracket: Mid Sealed Bearing
  • Pedals: GT Low Profile Large Size Platform Design, PP Material, Boran Axle
  • Rims: BX-32, 36H, Double Wall
  • Tires: (F) GT Sandbox Dirt Tread 20" x 2.10", (R) GT Pool Street Tread 20" x 2.10"
  • Hubs: (F) 36H Alloy Body, Sealed Bearing 3/8" Axle, (R) Alloy 5pcs Sealed Bearings, CR-MO Axle, 9T Cassette 36 Hole
  • Spokes: Stainless Steel
  • Nipples: Brass
  • Brake: Tektro FX340R, Aluminum U-Brake
  • Brake Levers: Tektro 289A
  • Handlebar: GT 100% Chromoly 690mm width, 210mm rise, 11° sweep, 3° tip, taper Crossbar
  • Stem: GT Top Load Design With Cold Forged Clamp, 50mm Ext, GT CNC logo
  • Grips: GT Wings Logo 130mm Single Compound
  • Headset: FSA, 1 1/8" Integrated Design 45x 45 Sealed Bearings
  • Saddle: Pivotal Padded
  • Seat Post: Pivotal
  • Seat Clamp: Alloy, 28.6mm
  • 2014 Model
  • Bump

    Past Season Product

    NOTE: All bikes are sold and delivered partially assembled. Final assembly should be done by a certified bike technician. Failure to have the bike assembled by a certified bike technician may void the warranty and could result in damage and/or injury if not assembled correctly.


    4.3 / 5.0
    3 Reviews
    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Stars
    2
    0
    1
    0
    0
    Bike rides good
    The only reason why I have the bike three stars and not four is because it came with two different sets of tires. The front tire had a different thread and color than the back. Also, when assembling, I noticed one of the washers for the front tire was bent, so I had to go to my local store an purchase one. Lastly the screw that goes on the chain guard is too long, the end of the screw intimately rubs against the chain while riding. If I hadn't noticed, in time it would have damaged the chain, so I sawed off the end of the screw that sticks out.
    January 12, 2015
    San Francisco, CA, US
    Age: 25-44
    Purchased
    over 2 years ago
    Ability:
    Advanced
    Great bike
    Great bike. Great price. Fast shipping. I am really impressed with The House. I will definitely be doing business with them again.
    May 14, 2015
    Purchased
    over 2 years ago
    Julian.
    I love this bike. It is really lite, and can take a hit.
    January 26, 2015
    Purchased
    over 2 years ago

    Start typing your question and we'll check if it was already asked and answered. Learn More
    Browse 41 questions Browse 41 questions and 47 answers
    Why did you choose this?
    The-House.com Store
    Great bike
    John B on Apr 12, 2015
    It's light and sturdy
    RITA H on Nov 10, 2013
    Great bike
    John B on Apr 12, 2015
    Love the color and look!
    David C on Sep 8, 2014
    It's light and sturdy
    RITA H on Nov 10, 2013
    i like it
    jamess b on Oct 11, 2013
    Love the color and look!
    David C on Sep 8, 2014
    i like it
    jamess b on Oct 11, 2013
    How much does this bike weigh?
    A shopper on Nov 2, 2013
    BEST ANSWER: my guess is since it has a chromoly frame it is probably 20-25lbs
    How much does this bike weight?
    Aaron B on May 3, 2014
    What is the top tube length really because in the description it says 21 and the specs says 20.5?
    A shopper on Feb 28, 2014
    BEST ANSWER: Top tube length is 20.5".
    can you give us an exact weight?
    A shopper on Jan 13, 2014
    BEST ANSWER: Unfortunately not. Try to contact GT bikes themselves: http://www.gtbicycles.com/ They do not post weights.
    does this model bring the alienation blacksheep rims like the 2013 model.?
    william l on Nov 29, 2014
    BEST ANSWER: No they are not. The GT Bump BMX Bike comes with the BX32 rims. Thirty-six holed double walled rims.
    How much does it weigh?
    A shopper on Oct 12, 2014
    BEST ANSWER: About 25 pounds.
    Can this be used in a skatepark?
    A shopper on Feb 28, 2014
    BEST ANSWER: yes
    Is the bike a good quality bike, and does it scratch easy?
    A shopper on May 31, 2015
    BEST ANSWER: GT's bikes are pretty good. Chromoly main tubes and steerer make the bike more robust.
    My 13 year old is 6' and 150lbs would this bike work for him?
    A shopper on Mar 8, 2015
    BEST ANSWER: The GT Bump BMX Bike may be a little small. Your 13 year old should ride a BMX bike with at least a 22.5" top tube. Check them out HERE: http://www.the-house.com/big-mx-bikes.html
    What size is the rear axle? The front is 3/8 as it says. But it doesn't say what the back is
    Bret J on Mar 1, 2015
    BEST ANSWER: The GT Bump has a 14mm Cassette
    You diliver to (UAE)?
    A shopper on Jan 24, 2015
    BEST ANSWER: Do you have friends or fmaily living in the states?

    Check out the International Shipping page for more information: http://www.the-house.com/helpdesk/shipping-information/international-shipping/
    Is this a race bike?
    Hanzie on Dec 15, 2014
    BEST ANSWER: It's a dirt racing bike. With the weight to also do street. Geared a little low though if you are racing ultimately competitive.
    this one or the eastern traildigger??
    A shopper on Jun 20, 2014
    BEST ANSWER: The GT bump is a Great bike, and so is the Eastern Traildigger. It really comes down to what colors you like more. Personally i enjoy GT more.
    Will this item ever be restocked?
    Jesse B on Mar 19, 2016
    BEST ANSWER: Hi,
    This exact item is the 2014 Bump 20. We cannot reorder it. We will be getting more of the 2016 version this Spring.
    Is it hard to assembly ?
    A shopper on May 23, 2015
    BEST ANSWER: It is frankly not too hard to assemble if you understand what you are doing. If you do not.... have a local shop finish the job for you as failure to have the bike properly assembled can void your warranty.. and lead to unnecessary injury.
    what tools do i need to assemble?
    A shopper on May 22, 2015
    BEST ANSWER: All complete bikes are sold and delivered partially assembled. Final assembly should be done by a qualified bike technician. Failure to have the bike assembled by a qualified technician may void the warranty and could result in damage and/or injury if not assembled correctly. As an industry standard, some bikes might have minor cosmetic blemishes due to the nature of shipping.
    Would the crank brothers m19 be a good tool to assemble this bike ?
    FLAKcO on May 19, 2015
    BEST ANSWER: Alexis!
    The M19 will get you almost all the way... though you will still need a 15mm box wrench.
    The sight says the bikes come partially assembled, could you elaborate on that.. What parts will I need to assemble on to the bike ?
    FLAKcO on May 14, 2015
    BEST ANSWER: Sure Alexis,
    You would need to assemble the front tire, handlebars, pedals, seat, and align everything. Not that difficult. However, if you do not have a good grasp of bike building... have a local shop do the final assembly as failure to do so could void your warranty. Oh... feel free to have a chat with our bikeshop about any details too: 1 (800) 409-7669.
    What's the weight of the bike ?
    FLAKcO on May 13, 2015
    BEST ANSWER: Hi Alexis,
    GT is known for not posting specific bike weights. However, This Bump will weigh around 26 lbs.
    My boyfriend is 5'6-5'7 would this bike be too small for him or just right?
    Sarah on Mar 21, 2015
    BEST ANSWER: Hi Sarah,

    The GT Bump BMX Bike has a 21" top tube and would be perfect for him!!!
    Is it good to challenge friends? :D
    Hanzie on Dec 16, 2014
    BEST ANSWER: It is always good to challenge friends... and this is the bike to do it! Serious... GT bikes are great and the Bump can do it all.
    Is this a race bike?
    Hanzie on Dec 15, 2014
    BEST ANSWER: Hanzie,
    The GT Bump BMX Bike is a freestyle bike. A quick easy cheat is if the brake is above the frame the Race and if under then Freestyle
    This or subrosa malum?
    Matthew L on Nov 17, 2014
    BEST ANSWER: Matthew,
    Hi. Both of these bikes have been pretty well reviewed. The Subrosa Malum is a bit more robust, but carries a bigger price tag. I recommend you chat with our bike shop guys: 866-243-6932
    This or SE hoodrich?
    Matthew L on Nov 11, 2014
    BEST ANSWER: The GT Bump and the SE hoodrich are both amazing bikes. It really breaks down to color choices.
    is the top tube 21in or 20.5in? and what is the weight of this bike?
    A shopper on Oct 14, 2014
    BEST ANSWER: The GT Bump has a 20.5" top tube and unfortunately GT does not release their weight on bikes. But this bike has a standard Freestyle weight at 26lbs
    how much does it weigh?
    A shopper on Nov 3, 2013
    BEST ANSWER: GT does not post their bike weights anywhere, so this is tough. Estimate: 25-30 pounds.
    does this bike accept pegs ?????
    Aaron G. on Dec 7, 2013
    BEST ANSWER: Yes The Gt bump has long enough axles to accept pegs
    This one or the traildigger?... Pls give information or sth
    A shopper on Jun 18, 2014
    BEST ANSWER: When asking a question about what one YOU should go with, is really up to you. People have different choices when it comes to bikes and what they will and will not ride. What type of riding are you going to do? how much do you weigh? are you going to dirt jump? ride skateparks? ride street? are you going to run pegs? there are a lot of factors that really only you can answer as a consumer
    Can i customize the tires and Handle bars ?
    A shopper on Feb 17, 2014
    BEST ANSWER: mine have red tires and red handle bars
    how fast does it go?
    A shopper on Jan 11, 2014
    BEST ANSWER: How fast can you pedal?